Dr. Diane S. MacKenzie, DO
- Medicare services, 2024
- 1,233
- Medicare patients, 2024
- 572
- Part D claims, 2024
- 2,671
- Industry payments
- $419
- Affiliated sites
- 7
- Practice address
- 23 Main St, Holmdel, NJ 07733
- Practice phone
- Call (732) 571-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Vps Medical Services
Holmdel, New Jersey
Find Dr. MacKenzie's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Diane S. MacKenzie is an emergency medicine physician in Holmdel, New Jersey
Dr. MacKenzie practices at Vps Medical Services in Holmdel, New Jersey.
Dr. MacKenzie's NPI, 1316931264, was assigned on September 7, 2005. Dr. MacKenzie graduated from Rowan University School of Osteopathic Medicine in 1999. Dr. MacKenzie holds New Jersey license 25MB07665200.
- NPI
- 1316931264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901897339
- NPI enumeration date
- September 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 571-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diane S. MacKenzie practices at Vps Medical Services in Holmdel, New Jersey
Dr. MacKenzie's primary practice is Vps Medical Services, at 23 Main St, Holmdel, NJ 07733 in Monmouth County. The practice phone is (732) 571-1000.
- Vps Medical Services23 Main St, Holmdel, NJ 07733 · Monmouth CountyPhone(732) 571-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Diane S. MacKenzie is affiliated with 8 sites of care and 2 medical groups
Dr. MacKenzie's primary practice is Vps Medical Services in Holmdel, New Jersey. The medical group on file is Visiting Physician Services (VPS). Dmand AI also links Dr. MacKenzie to 3 more home health agencies, 3 hospices, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Diane S. MacKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKenzie practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vps Medical Services | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diane S. MacKenzie is one of 1,548 emergency medicine physicians in New Jersey
Emergency medicine is Dr. MacKenzie's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. MacKenzie is licensed in New Jersey.
Specialties and state licenses
- Emergency medicine, New JerseyPrimary
Emergency medicine physicians near Dr. MacKenzie
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Diane S. MacKenzie billed Medicare for 1,233 services in 2024
CMS data shows 1,233 Medicare services from Dr. MacKenzie across 8 procedure codes in 2024, for 572 Medicare patients. Medicare paid $128,500 for them. Every service was in an office.
Dr. MacKenzie's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7832024: 88213%
- Other services
- 2023: 3352024: 334No change
- Tests and treatments
- 2023: 02024: 17
Dr. MacKenzie compared with the New Jersey median for emergency medicine physicians, 2024
- Dr. MacKenzie
- New Jersey median
- Medicare services
- 1,233vs 3263.8 times
- Medicare patients
- 572vs 32178% above
- Part D claims
- 2,023vs 4743.0 times
Medians across 1,494 emergency medicine physicians in New Jersey with Dmand AI profiles that report each measure.
Dr. MacKenzie's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. MacKenzie and other emergency medicine physicians in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane S. MacKenzie treated 572 Medicare patients in 2024, average age 83
CMS counts 572 Medicare patients who saw Dr. MacKenzie in 2024. The largest group is 85 and over, with 286 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. MacKenzie's median patient age at 83, with 56% women.
Dr. MacKenzie's Medicare patients by age, 2024
Dr. MacKenzie's Medicare patients by sex, 2024
- Women37065%
- Men20235%
Chronic conditions among Dr. MacKenzie's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Mood disorders53%
- Depression48%
- Ischemic heart disease48%
- Alzheimer's and dementia47%
- Heart failure47%
Share of Medicare patients with each condition. A patient can have several.
Dr. MacKenzie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women56%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diane S. MacKenzie wrote 2,671 Medicare Part D claims in 2024
In 2024, Dr. MacKenzie wrote 2,671 Medicare Part D claims for 509 patients. 85% of them were for generic drugs. CMS names the drug for 2,023 of them, across 59 drugs with 11 or more claims each, at $187,019 in total drug cost. In 2023, CMS named 1,502 claims across 54 drugs.
Dr. MacKenzie's Part D claims by kind of drug, 2024
- Generic2,263 claims85%
- Brand-name382 claims14%
- Other26 claims1%
Dr. MacKenzie's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. MacKenzie's Part D claims, 2024
- Opioids1%26 of 2,671 claims
- Antibiotics5%142 of 2,671 claims
- Antipsychotics, patients 65 and over2%54 of 2,671 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,5022024: 2,02335%
Drugs named by CMS: 59 in 2024, 54 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Diane S. MacKenzie takes part in Medicare
Dr. MacKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Diane S. MacKenzie received $419 in industry payments from 2016 to 2024
CMS Open Payments shows 8 general payments to Dr. MacKenzie from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $318.
General payments to Dr. MacKenzie by program year, 2016 to 2024
Companies that paid Dr. MacKenzie the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diane S. MacKenzie graduated from Rowan University School of Osteopathic Medicine
Dr. MacKenzie graduated from Rowan University School of Osteopathic Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diane S. MacKenzie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Diane S. MacKenzie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Diane S. MacKenzie's NPI number?
Dr. Diane S. MacKenzie's NPI number is 1316931264. It was assigned on September 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane S. MacKenzie?
Dr. Diane S. MacKenzie is an emergency medicine physician in Holmdel, New Jersey. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Diane S. MacKenzie practice?
Dr. MacKenzie practices at 23 Main St, Holmdel, NJ 07733. Dr. MacKenzie's primary practice is Vps Medical Services in Holmdel, New Jersey. Dmand AI also links Dr. MacKenzie to 3 home health agencies, 3 hospices, 1 group practice or clinic and 1 medical group.
What is Dr. Diane S. MacKenzie's office phone number?
The practice phone on file for Dr. MacKenzie is (732) 571-1000.
What is Dr. Diane S. MacKenzie's medical license number?
Dr. MacKenzie holds New Jersey license 25MB07665200.
What medical group is Dr. Diane S. MacKenzie part of?
Dr. MacKenzie is linked to Visiting Physician Services (VPS). Dmand AI links Dr. MacKenzie to 1 more medical group.
Does Dr. Diane S. MacKenzie accept Medicare?
Yes. CMS data shows Dr. MacKenzie billed Medicare for 1,233 services in 2024, and Dr. MacKenzie accepts Medicare assignment.
How many Medicare patients does Dr. Diane S. MacKenzie see?
CMS counts 572 Medicare patients who saw Dr. MacKenzie in 2024, with an average age of 83.
What services does Dr. Diane S. MacKenzie bill to Medicare?
In 2024, Dr. MacKenzie's most billed Medicare services were home visit (99350), home visit (99345) and medicare service (G0179).
Where did Dr. Diane S. MacKenzie go to medical school?
Dr. MacKenzie graduated from Rowan University School of Osteopathic Medicine in 1999.
Show 3 more questionsShow fewer questions
What drugs does Dr. Diane S. MacKenzie prescribe most?
In 2024 Medicare Part D data, Dr. MacKenzie's most prescribed drugs by claims were Eliquis, Gabapentin and Trazodone HCl.
Has Dr. Diane S. MacKenzie received payments from drug or device companies?
CMS Open Payments shows $419 in general payments to Dr. MacKenzie from 5 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Diane S. MacKenzie been practicing?
Dr. MacKenzie graduated from medical school in 1999, 27 years ago.
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